Turbo Info

[polar Bear]

Needing info about whether a high flow turbo in my Gu 4.2 Patrol is causing my low down lag and torque issues .Had a dyno tune ,but didnt help.Been advised to replace with standard turbo.Any turbo techs out there can help me find the right path........Thanks

[MAP8P]

There are plenty of options out there that out perform standard turbo td05, garrett gtx28 etc. What do you want to achieve?

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[polar Bear]

Just want to be able to tow without lag ..turbo is not spooling until 2200 revs after dyno

[MAP8P]

I currently run a kinugawa billet td05 18g with 8cm turbine housing with 12mm pump boost starts at around 1700 full boost 25psi at 2400 load dependant and holds boost to 4000rpm. Previous turbo was a gt2860 boost response was awesome full boost 18psi at about 1500rpm but ran out of puff about 3000rpm. The Td05 with a 6cm rear housing would probably suit a standard pump better or a gtx28 with a .63 turbine housing.

[polar Bear]

Thanks,sounds a better option the gt2860 ...

[MAP8P]

Thanks,sounds a better option the gt2860 ...

Sorry hit send before I was finished have edited last post

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[nissannewby]

Where are you located?

Where was the "high flow" turbo sourced from?

[polar Bear]

i am from Hunter valley NSW
Turbo was already on when i bought it.

[nissannewby]

i am from Hunter valley NSW
Turbo was already on when i bought it.

Ok. The stock unit is ok as it is but will not see any gains from modifying it. Which is what you are seeing.

Which engine combination/ patrol model do you have?

Do you have any other modifications? Budget?

[polar Bear]

Its a 4.2 turbo intercooled 2003 model.Three inch exhaust .Just want to get set up for towing mainly.